Hi Toby...welcom to the forum...im sure you will find plenty of usefull informstion and help....this recent thread may help..in the first post you will see the part number...not sure the exact or similar is available....im sure other S3 owners will also help...Do you have a S3 service manual it will help with many problems.....copies are in the knowledge base section.....Steve http://forum.etypeuk.com/viewtopic.php?f=6&t=13640

Hi Toby...there are copies of the service manuals in tbe Knowledge base section of this forum....last section (Technical Documentation).....however you should have your own copy of the Service manual for your car..Steve